Integrated Peripherals - MSI MS-9801 User Manual

MS-9801 Mainboard

Integrated Peripherals

Onboard Serial Port 1/ 2/ 3/ 4, Serial Port 3/ 4 Use IRQ
Select an address and corresponding interrupt for the serial port 1/ 2/ 3/ 4.
Serial Port2 Mode Select
This setting allows you to specify the operation mode for serial port 2.
[Normal]
[IrDA]
[ASKIR]
RxD, TxD Active
This setting controls the receiving and transmitting speed of the IR peripheral in use.
IR Transmission Delay
This setting determines whether the IR transmission rate will be delayed while con-
verting to receiving mode.
UR2 Duplex Mode
This setting controls the operating mode of IR transmission/reception. Under [Full]
Duplex mode, synchronous, bi-directional transmission/reception is allowed. Under
[Half] Duplex mode, only asynchronous, bi-directional transmission/reception is
allowed.
Use IR Pins
Consult your IR peripheral documentation to select the correct setting of the TxD and
RxD signals.
3-12
RS-232C Serial Port
IrDA-compliant Serial Infrared Port
Amplitude Shift Keyed Infrared Port